Home / 831,070.72-1,246,737.30-269,974

Finding the Fourth Proportional to 831,070.72, 1,246,737.30 and 269,974

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Solution

The fourth proportional to 831,070.72, 1,246,737.30 and 269,974 is: 405,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,070.72 : 1,246,737.30 = 269,974 : x
  2. Step 2: Convert to fraction form
    831,070.72/1,246,737.30 = 269,974/x
  3. Step 3: Cross multiply
    831,070.72x = 1,246,737.30 × 269,974
  4. Step 4: Simplify right side
    831,070.72x = 336,586,655,830.20
  5. Step 5: Solve for x
    x = 336,586,655,830.20/831,070.72
  6. Step 6: Final answer
    x = 405,003.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.